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-rw-r--r--lib/bundler/rubygems_ext.rb3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/bundler/rubygems_ext.rb b/lib/bundler/rubygems_ext.rb
index eda826422f..8aa87d8f7d 100644
--- a/lib/bundler/rubygems_ext.rb
+++ b/lib/bundler/rubygems_ext.rb
@@ -51,7 +51,8 @@ module Gem
alias_method :rg_extension_dir, :extension_dir
def extension_dir
@bundler_extension_dir ||= if source.respond_to?(:extension_dir_name)
- File.expand_path(File.join(extensions_dir, source.extension_dir_name))
+ unique_extension_dir = [source.extension_dir_name, File.basename(full_gem_path)].uniq.join("-")
+ File.expand_path(File.join(extensions_dir, unique_extension_dir))
else
rg_extension_dir
end